placenta
$333.00
The placenta is a vital organ with multiple functions, such as endocrine, immune, and physiological. angka ikut 2d hongkong The placenta is formed gradually during the first three months of pregnancy, while, after the fourth month, it grows parallel to the development of the uterus Once completed, it resembles a spongy disc 20 cm in diameter and 3 cm thick It is a temporary organ, whose genetic characteristics are
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